| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.67 | USD | 20251203 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.67 | USD | 20251203 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.67 | USD | 20251203 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.67 | USD | 20251203 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.51 | USD | 20251202 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.51 | USD | 20251202 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.65 | USD | 20251201 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.65 | USD | 20251201 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.53 | USD | 20251129 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.53 | USD | 20251129 |